Records of the daily output of 35 experienced mica-splitting operators in the regular department for a 3-year period. The length of service for each regular department operator is given. Regular department total daily hours worked and total daily...

Tables from a 1928 study that was started to test the length of time needed to gain efficiency in mica splitting. The weekly average output of 34 experienced operators was used as the standard. Fifty-two inexperienced operators were studied. ...

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